*
     * @param os
     *            出力ストリーム
     * @return ラップされた出力ストリーム
     */
    protected static OutputStream wrap(final OutputStream os) {
        if (os instanceof BufferedOutputStream) {
            return os;
        }
        if (os instanceof ByteArrayOutputStream) {
            return os;
        }

	}

	if err = os.Chmod(slashpath.Join(permDeniedDir, "mybucket"), 0o400); err != nil {
		t.Fatalf("Unable to change permission to temporary directory %v. %v", slashpath.Join(permDeniedDir, "mybucket"), err)
	}
	t.Cleanup(func() {
		os.Chmod(slashpath.Join(permDeniedDir, "mybucket"), 0o775)
	})

	if err = os.Chmod(permDeniedDir, 0o400); err != nil {

}

// Create or truncate an existing file before writing
func (s *xlStorage) writeAllInternal(ctx context.Context, filePath string, b []byte, sync bool, skipParent string) (err error) {
	flags := os.O_CREATE | os.O_WRONLY | os.O_TRUNC

	var w *os.File
	if sync {
		// Perform DirectIO along with fdatasync for larger xl.meta, mostly when
		// xl.meta has "inlined data" we prefer writing O_DIRECT and then doing

	}

	uuid, _ := uuid2.NewRandom()
	for _, drive := range fsDirs {
		dir := path.Join(drive, bucket, object, uuid.String())
		err = os.MkdirAll(dir, os.ModePerm)
		if err != nil {
			t.Fatal(err)
		}
		err = os.WriteFile(pathJoin(dir, "part.1"), []byte("some data"), os.ModePerm)
		if err != nil {
			t.Fatal(err)
		}
	}

	// This should remove all the unreferenced parts.

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i?kkar?llyh?nnan??g&ort?ørt??k&alf?irderf??levev?mirg?obeg&ah?æh??r&ah?ejg????barm-jdddb--nx?ie!rah?s&etivk?ladman???lof&r&os?øs??ts&ev.ednas?o.relav?ø.relåv???n&a&l&-erd&n&os?øs??ron??adroh.so?dron.&a&g5-b--nx?ri-yreh--nx??ob?y&oreh?øreh??øb??e&m!lejh??pr&oj?øj??vi??gyb?n&aks?åks??o&h-goksrua?rf??r&o?ua?ø??tros?øh-goksrua??rts!e&devt?lab?mloh???s&ellil?naitsirk?rof???u&l!os??s!d&im?lejt??e&guah?l&a?å???kkoh?lavk?naitsirk?r&af?eg&e?ie???tef?y&onnorb?ønnørb?????r&a&blavs!.sg??g&eppo?la???o&j&f&a!...

			defer zippedFile.Close()
			extractedFilePath := filepath.Join(targetDir, file.Name)
			if file.FileInfo().IsDir() {
				return os.MkdirAll(extractedFilePath, file.Mode())
			}
			outputFile, err := os.OpenFile(extractedFilePath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, file.Mode())
			if err != nil {
				return err
			}
			defer outputFile.Close()
			_, err = io.Copy(outputFile, zippedFile)

	c.mustListObjects(ctx, lisaClient, "projectaorb")
	c.mustNotListObjects(ctx, lisaClient, "other")
}

func TestIAMWithOpenIDMultipleConfigsValidation1(t *testing.T) {
	openIDServer := os.Getenv(EnvTestOpenIDServer)
	openIDServer2 := os.Getenv(EnvTestOpenIDServer2)
	if openIDServer == "" || openIDServer2 == "" {
		t.Skip("Skipping OpenID test as enough OpenID servers are not provided.")
	}
	testApps := testClientApps

	if *debugGcc {
		fmt.Fprintf(os.Stderr, "$ %s <<EOF\n", strings.Join(args, " "))
		os.Stderr.Write(stdin)
		fmt.Fprint(os.Stderr, "EOF\n")
	}
	stdout, stderr, ok := run(stdin, args)
	if *debugGcc {
		os.Stderr.Write(stdout)
		os.Stderr.Write(stderr)
	}
	if !ok {
		os.Stderr.Write(stderr)
		os.Exit(2)
	}
	return string(stdout), string(stderr)
}

			if err != nil {
				t.Errorf("obscuretestdata.DecodeToTempFile(%s): %v", path, err)
				return
			}
			defer os.Remove(tf)
			path = tf
		}
		var rc *ReadCloser
		rc, err = OpenReader(path)
		if err == nil {
			defer rc.Close()
			z = &rc.Reader
		}
		var err2 error
		raw, err2 = os.ReadFile(path)
		if err2 != nil {
			t.Errorf("ReadFile(%s) error=%v", path, err2)
			return
		}
	}